/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.jena.graph.test;

import junit.framework.TestSuite;
import org.apache.jena.graph.*;
import org.apache.jena.graph.Triple.*;

public class TestTripleField extends GraphTestBase {
    public TestTripleField(String name) {
        super(name);
    }

    public static TestSuite suite() {
        return new TestSuite(TestTripleField.class);
    }

    public void testFieldsExistAndAreTyped() {
        assertInstanceOf(Triple.Field.class, Triple.Field.fieldSubject);
        assertInstanceOf(Triple.Field.class, Triple.Field.fieldObject);
        assertInstanceOf(Triple.Field.class, Triple.Field.fieldPredicate);
    }

    public void testGetSubject() {
        assertEquals(node("s"), Field.fieldSubject.getField(triple("s p o")));
    }

    public void testGetObject() {
        assertEquals(node("o"), Field.fieldObject.getField(triple("s p o")));
    }

    public void testGetPredicate() {
        assertEquals(node("p"), Field.fieldPredicate.getField(triple("s p o")));
    }

    public void testFilterSubject() {
        assertTrue(Field.fieldSubject.filterOn(node("a")).test(triple("a P b")));
        assertFalse(Field.fieldSubject.filterOn(node("x")).test(triple("a P b")));
    }

    public void testFilterObject() {
        assertTrue(Field.fieldObject.filterOn(node("b")).test(triple("a P b")));
        assertFalse(Field.fieldObject.filterOn(node("c")).test(triple("a P b")));
    }

    public void testFilterPredicate() {
        assertTrue(Field.fieldPredicate.filterOn(node("P")).test(triple("a P b")));
        assertFalse(Field.fieldPredicate.filterOn(node("Q")).test(triple("a P b")));
    }

    public void testFilterOnConcreteSubject() {
        assertTrue(Field.fieldSubject.filterOnConcrete(node("a")).test(triple("a P b")));
        assertFalse(Field.fieldSubject.filterOnConcrete(node("x")).test(triple("a P b")));
    }

    public void testFilterOnConcreteObject() {
        assertTrue(Field.fieldObject.filterOnConcrete(node("b")).test(triple("a P b")));
        assertFalse(Field.fieldObject.filterOnConcrete(node("c")).test(triple("a P b")));
    }

    public void testFilterOnConcretePredicate() {
        assertTrue(Field.fieldPredicate.filterOnConcrete(node("P")).test(triple("a P b")));
        assertFalse(Field.fieldPredicate.filterOnConcrete(node("Q")).test(triple("a P b")));
    }

    public void testFilterByTriple() {
        assertTrue(Field.fieldSubject.filterOn(triple("s P o")).test(triple("s Q p")));
        assertFalse(Field.fieldSubject.filterOn(triple("s P o")).test(triple("x Q p")));
    }
}
